22102220105 has 16 divisors (see below), whose sum is σ = 30443992320. Its totient is φ = 15089620032.

The previous prime is 22102220059. The next prime is 22102220191. The reversal of 22102220105 is 50102220122.

It is a cyclic number.

It is not a de Polignac number, because 22102220105 - 2²⁸ = 21833784649 is a prime.

It is a super-2 number, since 2×22102220105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370789 + ... + 1386818.

It is an arithmetic number, because the mean of its divisors is an integer number (1902749520).

Almost surely, 2^22102220105 is an apocalyptic number.

It is an amenable number.

22102220105 is a deficient number, since it is larger than the sum of its proper divisors (8341772215).

22102220105 is a wasteful number, since it uses less digits than its factorization.

22102220105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757848.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 22102220105 its sum of digits (17), we get a palindrome (22102220122).

Adding to 22102220105 its reverse (50102220122), we get a palindrome (72204440227).

The spelling of 22102220105 in words is "twenty-two billion, one hundred two million, two hundred twenty thousand, one hundred five".